Mutual aid
Subtitle: a factor of evolution
By: Petr Kropotkin ; foreword by Ashley Montagu. And The struggle for existence / by Thomas H. Huxley
Contributors: Huxley, Thomas Henry, 1825-1895.
Publisher: Extending Horizons Books
Published: 1960
Place of publication: Boston
Language: eng
Number of pages: 362
Subjects: Cooperation; Social groups; Sociology
Other titles: Struggle for existence